#638D29#638D29

#638D29 is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.2% C 0.136 H 129.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#638D29
RGB	rgb(99, 141, 41)
HSL	hsl(85, 55%, 36%)
HSV	hsv(85, 71%, 55%)
CMYK	cmyk(29.8%, 0%, 70.9%, 44.7%)
CIE-LAB	lab(53.88, -30.58, 46.45)
CIE-LCH	lch(53.88, 55.61, 123.36°)
OKLab	oklab(59.21% -0.0868 0.105)
OKLCH	oklch(59.21% 0.136 129.6)
XYZ	xyz(15.0706, 21.8621, 5.5232)
Luminance	0.2186 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638D29 #53298D

analogous

#8D8529 #638D29 #318D29

triadic

#638D29 #29638D #8D2963

tetradic

#638D29 #298D85 #53298D #8D2931

square

#638D29 #298D85 #53298D #8D2931

split-complementary

#638D29 #29318D #85298D

monochromatic

#202E0D #425E1B #638D29 #84BC37 #A1D160

Accessibility & contrast

On white

3.91

#638D29 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#638D29 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638D29

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638D29	#FFFFFF	#000000	##000000
##638D29	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94831A

Deuteranopia (green-blind)

#8E8032

Tritanopia (blue-blind)

#668779

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #638d29;
/* rgb */ color: rgb(99, 141, 41);
/* oklch */ color: oklch(59.2% 0.136 129.6);

Tailwind

colors: {
  custom: {
    50: '#93ae69',
    500: '#638d29',
    950: '#000000',
  },
}

SCSS

$custom: #638d29;
$custom-light: #93ae69;
$custom-dark: #000000;

JSON

{
  "hex": "#638d29",
  "rgb": {
    "r": 99,
    "g": 141,
    "b": 41
  },
  "hsl": {
    "h": 85.2,
    "s": 54.945,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59206,
    "c": 0.13625,
    "h": 129.6
  },
  "luminance": 0.21862
}

Semantic roles & 50–950 ramp

primary

#638D29

secondary

#825BB6

accent

#4ADE88

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #638D29

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →